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Sand casting aluminium design
产品分类 :
機械與設備->鑄件->其他鑄件->翻砂鑄件
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产品规格
Model No: USM-111
Country
CN
Brand
UniSite
Packing
Export cartons, pallets, wooden cases, Polybags or as per client's request
Minimum Order
100
Payment Term
L/C,T/T
产品描述
<p>
The second step: the mould with the pattern still in position is inverted; the exposed sand lightly covered with parting sand, and the exposed pattern with facing sand (the parting sand has no cohesion, and is introduced to permit a clean separation when the mould is opened up to remove the pattern.). The second molding box is located in position on the first box and filled with molding sand. Two or more plugs are introduced when the second box is being filled (these are removed later, leaving channels in the sand). One of these plugs is positioned to one side of the pattern. The sand is rammed up and leveled off.
</p>
<p>
<img src="http://i.bosscdn.com/product/8b/69/b8/313d8c1cfd293ec9e751f94502.jpg" title="Sand casting aluminium design" alt="Sand casting aluminium design" />
</p>
<p class="MsoNormal">
<strong>Fast mold making processes</strong><br />
With the fast development of the car and machine building industry the casting consuming areas called for steady higher productivity. The basic process stages of the mechanical molding and casting process are similar to those described under the manual sand casting process. The technical and mental development however was so rapid and profound that the character of the sand casting process changed radically.<br />
<br />
<strong>Mechanized sand molding</strong><br />
The first mechanized molding lines consisted of sand slingers and/or jolt-squeeze devices that compacted the sand in the flasks. Subsequent mold handling was mechanical using cranes, hoists and straps. After core setting the copes and drags were coupled using guide pins and clamped for closer accuracy. The molds were manually pushed off on a roller conveyor for casting and cooling.<br />
<br />
<strong>Automatic high pressure sand molding lines</strong><br />
Increasing quality requirements made it necessary to increase the mold stability by applying steadily higher squeeze pressure and modern compaction methods for the sand in the flasks. In early fifties the high pressure molding was developed and applied in mechanical and later automatic flask lines. The first lines were using jolting and vibrations to pre-compact the sand in the flasks and compressed air powered pistons to compact the molds.<br />
<br />
<strong>Horizontal sand flask molding</strong><br />
In the first automatic horizontal flask lines the sand was shot or slung down on the pattern in a flask and squeezed with hydraulic pressure of up to 140 bars. The subsequent mold handling including turn-over, assembling, pushing-out on a conveyor were accomplished either manually or automatically. In the late fifties hydraulically powered pistons or multi-piston systems were used for the sand compaction in the flasks. This method produced much more stable and accurate molds than it was possible manually or pneumatically. In the late sixties mold compaction by fast air pressure or gas pressure drop over the pre-compacted sand mold was developed (sand-impulse and gas-impact). The general working principle for most of the horizontal flask line systems is shown on the sketch below.<br />
<br />
<span style="line-height:1.5;"><strong>Photos of our </strong></span><span style="line-height:1.5;"><strong>Sand casting aluminium design</strong></span>
</p>
<p>
<span style="line-height:1.5;"><strong><img src="http://i.bosscdn.com/product/7d/b1/6f/270cd21c54197d1aad2e0868b2.jpg" title="Metal Sand Casting" alt="Metal Sand Casting" /><img src="http://i.bosscdn.com/product/ac/a2/69/ae17fb64551294bf9f07044395.jpg" title="Sand Casting Aluminium Design for sale" alt="Sand Casting Aluminium Design for sale" /><img src="http://i.bosscdn.com/product/fe/e2/8f/0d2b26048ff4dc00a030c7b608.jpg" title="Sand Casting Aluminium Design" alt="Sand Casting Aluminium Design" /><img src="http://i.bosscdn.com/product/67/47/10/f12a3d3417f6d60d6ed004537c.jpg" title="Sand Casting Aluminium Parts" alt="Sand Casting Aluminium Parts" /><br />
</strong></span>
</p>
<p>
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</strong>
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<p>
<strong>How to contact us?</strong>
</p>
<p class="MsoNormal" style="color:#333333;background-color:#FFFFFF;">
<span style="line-height:24px;font-family:Arial;font-size:16px;color:#FFFFFF;"><span style="line-height:21px;color:#333333;font-family:Arial, Helvetica;">Send your Inquiry Details in the Below, Click</span></span><span style="color:#FFFFFF;"><span style="line-height:21px;color:#333333;font-family:Arial, Helvetica;"> </span></span><span style="color:#FFFFFF;"><span style="line-height:21px;color:#333333;font-family:Arial, Helvetica;font-size:18px;">"<strong>Send</strong>"</span></span><span style="color:#FFFFFF;"><span style="line-height:21px;color:#333333;font-family:Arial, Helvetica;"> </span></span><span style="line-height:24px;font-family:Arial;font-size:16px;color:#FFFFFF;"><span style="line-height:21px;color:#333333;font-family:Arial, Helvetica;">Now!</span></span>
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</p>unisitemachining.com
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